User blogs

In various industrial precise line measuring work fields, different from any prior line drawing or line printing work, a lot of factory workers and engineers would prefer to make clear line alignment with a 635nm red line laser module. It is keeping work with highly pure and bright red laser light emission from a 635nm red laser diode. Being made with a qualified glass coated lens with wide fan angles and constant power source supply, no matter it is pointing at close or long distance, it always makes sure of easy mounting, qu... more